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Thread: Diff?? In HB red PDP and a Black PDP???
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Old 03-27-2003 | 02:39 AM
  #4  
RCfred_68
 
Joined: Dec 2002
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From: Newtown, CT
Default HB Fan
I really like HB engines/ I think this question came up on the RC online site a few years back, and I think the answer was the Red has higher compression then the black.
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